/*
 * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.querydsl.codegen;

import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.Arrays;

/**
 * {@code ParameterizedTypeImpl} provides an implementation of the {@link ParameterizedType} interface
 *
 * @author tiwe
 *
 */
public class ParameterizedTypeImpl implements ParameterizedType {

    private final Type rawType;

    private final Type[] arguments;

    public ParameterizedTypeImpl(Type rawType, Type[] arguments) {
        this.rawType = rawType;
        this.arguments = arguments;
    }

    @Override
    public Type[] getActualTypeArguments() {
        return arguments;
    }

    @Override
    public Type getRawType() {
        return rawType;
    }

    @Override
    public Type getOwnerType() {
        return rawType;
    }

    @Override
    public boolean equals(Object o) {
        if (o == this) {
            return true;
        } else if (o instanceof ParameterizedTypeImpl) {
            ParameterizedTypeImpl other = (ParameterizedTypeImpl) o;
            return other.rawType.equals(rawType)
                    && Arrays.equals(other.arguments, arguments);
        } else {
            return false;
        }
    }

    @Override
    public int hashCode() {
        return rawType.hashCode();
    }

}
